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A chemical formula :
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ˇˇZrSiO4
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Shape and properties :
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dark yellow or reddish, brown mineral of sandy shape,
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hardness: 7.50, density:
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4.4---4.7g.cm3, melting in alkali at a high temperature and not in water and acid at a normal temperature
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usage :
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used in the production of high-purity zircon dioxide metal zircon, hafnium and alloy, being an important raw material for the industries of refractory, ceramics, glass-work and enamet as well as an important auxiliary material for precision casting. It can also be used as material in electronics, ammunition, artificial gem and chemical industries, etc.
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specification:
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( YB834-87) if a special requirement is proposed by a user, it will be agreed by and between the supplier and the demander.
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Zr(Hf)O2 :
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65.5% min
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Tio2 :
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0.15% max
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Fe2O3:
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0.1% max
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P2O5 :
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0.2% max
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Al2O3:
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0.8% max
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SiO2 :
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34% min
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(2) Specifications:
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Zr(Hf)O2 :
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65.0% min
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Tio2 :
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0.5% max
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Fe2O3:
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0.25% max
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P2O5 :
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0.25% max
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Al2O3:
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0.8% max
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SiO2 :
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34% min
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Packing:
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in 30kgs net gunny-bags with double inner plastic bags, and mouths of the bags sealed.
Special requirement in this regard advanced by a user will be negotiable.
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ˇˇ
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